—Hi，LiJun．YourEnglishhasimprovedsomuch．Howdidyoudoit?  ...

问题详情：

—Hi，Li Jun．Your English has improved so much．How did you do it?

   —Oh，nothing difficult．The      you work at it，the      progress you will make．

    A．harder；great   B．hard；greater   C．harder；more   D．more hardly；more

【回答】

C

知识点：形容词比较级

题型：选择题